nfsd4: cleanup: replace rq_resused count by rq_next_page pointer

It may be a matter of personal taste, but I find this makes the code
clearer.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index d83db800fe02..676ddf53b3ee 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -243,6 +243,7 @@ struct svc_rqst {
         struct page *           rq_pages[RPCSVC_MAXPAGES];
         struct page *           *rq_respages;   /* points into rq_pages */
         int                     rq_resused;     /* number of pages used for result */
+        struct page *           *rq_next_page; /* next reply page to use */
 
         struct kvec             rq_vec[RPCSVC_MAXPAGES]; /* generally useful.. */
 
@@ -338,9 +339,8 @@ xdr_ressize_check(struct svc_rqst *rqstp, __be32 *p)
 
 static inline void svc_free_res_pages(struct svc_rqst *rqstp)
 {
-        while (rqstp->rq_resused) {
-                struct page **pp = (rqstp->rq_respages +
-                                    --rqstp->rq_resused);
+        while (rqstp->rq_next_page != rqstp->rq_respages) {
+                struct page **pp = --rqstp->rq_next_page;
                 if (*pp) {
                         put_page(*pp);
                         *pp = NULL;